Chance the Rapper's aunt dies of breast cancer

CHICAGO (WLS) -- Chance the Rapper is using the loss of a loved one to raise awareness about breast cancer.

Chance's aunt passed away over the weekend. He made the announcement in a tweet, calling his Aunt Kim a warrior.

She made a video earlier this year, talking about her struggle with inflammatory breast cancer which is different than other types of cancer.

Her cancer was stage 4 when it was found.